package day04;

public class ForDemo {
    public static void main(String[] args) {
        int sum = 0;
        for (int i = 1;i <= 100;i++){
            sum += i;
        }
        System.out.println(sum);



        for (int num = 1;num <= 9;num++){
            System.out.println(num+"*9="+num*9);
        }
        for (int num = 1;num <= 9;num+=2){
            System.out.println(num+"*9="+num*9);
        }
        for (int num = 9;num >= 1;num--){
            System.out.println(num+"*9="+num*9);
        }
        for (int times = 0;times < 5;times++){
            System.out.println("行动是成功的阶梯");
        }
    }
}
